On 16/05/2023 08:50, M Venkata Pratap M wrote:
Hi ,
1. Thanks for the reply , attached screenshots for 9.0.62 heapdump.
The list doesn't support attachments.
A single thread dump isn't much use.
You need to take thread dumps for each scenario and compare them. Once
you have identified the significant differences, that should provide the
basis for a discussion of why those differences are present and the
impact they have.
Mark
2. http2.Stream objects is taking around 28MB. Also InputBuffer was
occupying more memory around 235MB. was it normal.
3. In our application we are receiving 800 json requests per second an
average of 3KB data each request and will respond with in a second.
4. All the tomcat settings are defaults , Overall anything suspicious
from the screenshots.
Thanks & Regards,
Venkat.
-----Original Message-----
From: Mark Thomas <ma...@apache.org>
Sent: 16 May 2023 12:44
To: users@tomcat.apache.org
Subject: Re: Java G1 GC creating less garbage and taking more time in mixed GC
phase
On 16/05/2023 05:12, M Venkata Pratap M wrote:
Hi,
1. We are using Http2 , When compared to 9.0.38 tomcat version , 9.0.62
version is creating less garbage and taking more time(2 to 5 seconds) in
garbage collection during mixed GC phase.
2. Are there any recommendation GC setting. Has any one observed these
kind of problem.
Time spent in GC is generally proportional to the size of the live objects on
the heap. I'd suggest comparing heap dumps from 9.0.38 and
9.0.62 to see what is different.
Mark
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